Square D QO110 - 10 A, 240 V, 1-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QO110 — a compact, plug-in molded case circuit breaker engineered for fast, reliable protection in residential, commercial, and light industrial panels. With a 10A rating at 240V and a single pole, it’sDesigned for quick installation and quick protection against overloads and short circuits, the QO110 keeps your branch circuits safe with precision and ease.

Why this breaker stands out

• Fast plug-in connection enables rapid installation and effortless replacement, minimizing downtime during panel servicing or expansion.
• Thermal-magnetic trip unit delivers stable, repeatable protection across temperature variations, reducing nuisance trips while safeguarding wiring and devices.
• OEM-specific compatibility is designed to integrate seamlessly with matching Square D load centers and panelboards, ensuring a reliable fit and consistent protection.
• Versatile 1-pole, 10A, 240V design serves a wide range of branch circuits, from lighting and outlets to small equipment feeders, with protection calibrated for typical residential and light commercial loads.

Technical snapshot

• Manufacturer: Square D
• Part Number: QO110
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 10A
• Voltage Rating: 240V
• Number of Poles: 1
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential service panels upgrading or expanding load centers with reliable, code-compliant protection.
• Commercial lighting and receptacle circuits requiring quick replacement and dependable trip performance.
• Light industrial applications where compact, plug-in protection is preferred for fast service and minimal downtime.

Practical guidance and benefits

By choosing the QO110, you’re investing in a protection solution that prioritizes speed, reliability, and compatibility. The plug-in design reduces installation complexity, while the thermal-magnetic trip unit protects against both overloads and short circuits with a predictable response. Its compatibility with matching OEM load centers means you won’t face mismatch issues during future panel upgrades or service work.

What you gain in everyday use

• Peace of mind from precise, repeatable protection that reacts appropriately to fault conditions.
• Reduced service interruptions thanks to quick plug-in replacements and straightforward maintenance.
• Flexible deployment across multiple settings — from home electrical panels to light-duty commercial boxes.

For installers, property managers, and discerning homeowners, the Square D QO110 delivers targeted, dependable protection where it matters most. Add this 10A, 240V, 1-pole plug-in breaker to your panel lineup and experience a practical blend of speed, safety, and compatibility that supports steady electrical performance day after day.